Revolutionizing PFAS Detection with a Handheld Sensor Per- and polyfluoroalkyl substances (PFAS) — often called “forever chemicals” — linger in water, soil, and even our bodies. New research from the University of Chicago Pritzker School of Molecular Engineering (UChicago PME) and Argonne National Laboratory has yielded a portable, handheld sensor that can detect trace PFAS…